Finding the Third Proportional to 39,884,215 and 86,756,509
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Solution
The third proportional to 39,884,215 and 86,756,509 is: 188,713,551.31
Step by Step Solution
- Step 1: Write the proportion equation
39,884,215 : 86,756,509 = 86,756,509 : x - Step 2: Convert to fraction form
39,884,215/86,756,509 = 86,756,509/x - Step 3: Cross multiply
39,884,215x = 86,756,509 × 86,756,509 - Step 4: Simplify right side
39,884,215x = 7,526,691,853,867,081 - Step 5: Solve for x
x = 7,526,691,853,867,081/39,884,215 - Step 6: Final answer
x = 188,713,551.31
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.